180solutions isn't too happy with Zone Labs these days. The company is suing over the fact that Zone Labs considers products like Zango and 180search Assistant to be "high risk" security threats:

"In my opinion, 180solutions is a perfectly legitimate target for anti-spyware companies," said Eric Howes, a spyware researcher at the University of Illinois. "The bottom line is that we continue to find unethical and illegal installations of 180's software."

This news article was written on December 2, 2005, quoting CNET News.